Other familiar names include David Dastmalchian, Daniela Melchior, Steve Agee, Idris Elba, Storm Reid, John Cena Flula Borg, Nathan Fillion, Pete Davidson, Taika Waititi and Peter Capaldi. All of those folks had previously been reported to appear, as had Michael Rooker, who previously denied he’d be playing King Shark.
Article source: https://www.cinemablend.com/news/2480271/james-gunn-announces-full-cast-of-the-suicide-squad